diff options
Diffstat (limited to 'usr/src/lib/libc/inc/thr_uberdata.h')
| -rw-r--r-- | usr/src/lib/libc/inc/thr_uberdata.h | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/usr/src/lib/libc/inc/thr_uberdata.h b/usr/src/lib/libc/inc/thr_uberdata.h index 4b00040fcf..7dbe4d7aab 100644 --- a/usr/src/lib/libc/inc/thr_uberdata.h +++ b/usr/src/lib/libc/inc/thr_uberdata.h @@ -378,6 +378,8 @@ extern void queue_unlock(queue_head_t *); extern void enqueue(queue_head_t *, struct ulwp *, void *, int); extern struct ulwp *dequeue(queue_head_t *, void *, int *); extern struct ulwp *queue_waiter(queue_head_t *, void *); +extern struct ulwp *queue_unlink(queue_head_t *, + struct ulwp **, struct ulwp *); extern uint8_t dequeue_self(queue_head_t *, void *); extern void unsleep_self(void); extern void spin_lock_set(mutex_t *); @@ -662,21 +664,21 @@ typedef struct { /* - * siguaction members have 64-byte size and alignment. - * We know that sizeof (struct sigaction) is 32 bytes for - * both _ILP32 and _LP64, so we put the padding in the middle. + * siguaction members have 128-byte size and 64-byte alignment. + * We know that sizeof (struct sigaction) is 32 bytes for both + * _ILP32 and _LP64 and that sizeof (rwlock_t) is 64 bytes. */ typedef struct { - mutex_t sig_lock; - char sig_pad[64 - (sizeof (mutex_t) + sizeof (struct sigaction))]; + rwlock_t sig_lock; struct sigaction sig_uaction; + char sig_pad[128 - sizeof (rwlock_t) - sizeof (struct sigaction)]; } siguaction_t; #ifdef _SYSCALL32 typedef struct { - mutex_t sig_lock; - char sig_pad[64 - (sizeof (mutex_t) + sizeof (struct sigaction32))]; + rwlock_t sig_lock; struct sigaction32 sig_uaction; + char sig_pad[128 - sizeof (rwlock_t) - sizeof (struct sigaction32)]; } siguaction32_t; #endif /* _SYSCALL32 */ @@ -1080,6 +1082,14 @@ extern void _flush_windows(void); #endif extern void set_curthread(void *); +/* + * Utility function used by cond_broadcast() and rw_unlock() + * when waking up many threads (more than MAXLWPS) all at once. + */ +#define MAXLWPS 128 /* max remembered lwpids before overflow */ +#define NEWLWPS 2048 /* max remembered lwpids at first overflow */ +extern lwpid_t *alloc_lwpids(lwpid_t *, int *, int *); + /* enter a critical section */ #define enter_critical(self) (self->ul_critical++) @@ -1152,6 +1162,9 @@ extern void _lwp_start(void); extern void _lwp_terminate(void); extern void lmutex_lock(mutex_t *); extern void lmutex_unlock(mutex_t *); +extern void lrw_rdlock(rwlock_t *); +extern void lrw_wrlock(rwlock_t *); +extern void lrw_unlock(rwlock_t *); extern void sig_mutex_lock(mutex_t *); extern void sig_mutex_unlock(mutex_t *); extern int sig_mutex_trylock(mutex_t *); @@ -1361,10 +1374,12 @@ extern int _private_lwp_mutex_unlock(mutex_t *); * inlines */ extern int set_lock_byte(volatile uint8_t *); -extern uint32_t swap32(volatile uint32_t *, uint32_t); -extern uint32_t cas32(volatile uint32_t *, uint32_t, uint32_t); -extern void incr32(volatile uint32_t *); -extern void decr32(volatile uint32_t *); +extern uint32_t atomic_swap_32(volatile uint32_t *, uint32_t); +extern uint32_t atomic_cas_32(volatile uint32_t *, uint32_t, uint32_t); +extern void atomic_inc_32(volatile uint32_t *); +extern void atomic_dec_32(volatile uint32_t *); +extern void atomic_and_32(volatile uint32_t *, uint32_t); +extern void atomic_or_32(volatile uint32_t *, uint32_t); #if defined(__sparc) extern ulong_t caller(void); extern ulong_t getfp(void); |